ZA728249B - Overload interrupt system for three-phase electric motor - Google Patents

Overload interrupt system for three-phase electric motor

Info

Publication number
ZA728249B
ZA728249B ZA728249A ZA728249A ZA728249B ZA 728249 B ZA728249 B ZA 728249B ZA 728249 A ZA728249 A ZA 728249A ZA 728249 A ZA728249 A ZA 728249A ZA 728249 B ZA728249 B ZA 728249B
Authority
ZA
South Africa
Prior art keywords
electric motor
phase electric
interrupt system
overload interrupt
overload
Prior art date
Application number
ZA728249A
Other languages
English (en)
Inventor
G Hagiz
Original Assignee
G Hagiz
Sharnoa Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by G Hagiz, Sharnoa Ltd filed Critical G Hagiz
Publication of ZA728249B publication Critical patent/ZA728249B/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/38—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/38—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current
    • H02H3/382—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
ZA728249A 1971-12-27 1972-11-21 Overload interrupt system for three-phase electric motor ZA728249B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL38457A IL38457A (en) 1971-12-27 1971-12-27 Overload interrupt systems for three-phase induction motor

Publications (1)

Publication Number Publication Date
ZA728249B true ZA728249B (en) 1973-08-29

Family

ID=11046269

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA728249A ZA728249B (en) 1971-12-27 1972-11-21 Overload interrupt system for three-phase electric motor

Country Status (12)

Country Link
AT (1) AT324475B (enrdf_load_stackoverflow)
AU (1) AU466358B2 (enrdf_load_stackoverflow)
BE (1) BE793355A (enrdf_load_stackoverflow)
CH (1) CH547025A (enrdf_load_stackoverflow)
DE (1) DE2260786A1 (enrdf_load_stackoverflow)
ES (1) ES410087A1 (enrdf_load_stackoverflow)
FR (1) FR2165985B1 (enrdf_load_stackoverflow)
GB (1) GB1423158A (enrdf_load_stackoverflow)
IL (1) IL38457A (enrdf_load_stackoverflow)
NL (1) NL7217420A (enrdf_load_stackoverflow)
RO (1) RO64898A (enrdf_load_stackoverflow)
ZA (1) ZA728249B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2704820A1 (de) * 1977-02-05 1978-08-17 Eller Vertriebs Ingbuero Ueberlastschutzschaltung fuer elektrische motoren
DE3617452A1 (de) * 1986-05-23 1987-11-26 Klein Schanzlin & Becker Ag Verfahren zur ueberwachung einer asynchronmaschine

Also Published As

Publication number Publication date
ES410087A1 (es) 1975-12-01
AU466358B2 (en) 1975-10-30
AU4923072A (en) 1974-05-23
AT324475B (de) 1975-09-10
NL7217420A (enrdf_load_stackoverflow) 1973-06-29
FR2165985A1 (enrdf_load_stackoverflow) 1973-08-10
FR2165985B1 (enrdf_load_stackoverflow) 1977-04-22
IL38457A0 (en) 1972-02-29
IL38457A (en) 1975-02-10
GB1423158A (en) 1976-01-28
BE793355A (fr) 1973-04-16
RO64898A (fr) 1979-07-15
DE2260786A1 (de) 1973-07-05
CH547025A (de) 1974-03-15

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